2061215450 has 24 divisors (see below), whose sum is σ = 4381555872. Its totient is φ = 706702320.

The previous prime is 2061215407. The next prime is 2061215467. The reversal of 2061215450 is 545121602.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2944244 + ... + 2944943.

It is an arithmetic number, because the mean of its divisors is an integer number (182564828).

Almost surely, 2^2061215450 is an apocalyptic number.

2061215450 is an abundant number, since it is smaller than the sum of its proper divisors (2320340422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2061215450 is a wasteful number, since it uses less digits than its factorization.

2061215450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5889206 (or 5889201 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2061215450 is about 45400.6106787122. The cubic root of 2061215450 is about 1272.6465261002.

The spelling of 2061215450 in words is "two billion, sixty-one million, two hundred fifteen thousand, four hundred fifty".